ManualsGT.M Message and Recovery Procedures ManualBLKTOODEEPBLKTOODEEPBLKTOODEEP BLKTOODEEP, Block level too deepCompile Time Error: This indicates that the line starts with too many level-indicator delimiters (.) for the level of nesting associated with the argumentless DO on the previous line.Action: Remove inappropriate level indicator(s).BLKSIZ512BLKWRITERR